What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

If your Android device is not scanning a QR code, make sure the code is properly framed on your screen. Cleaning your camera lens and getting better lighting on the code are other potential solutions.

The QR code is having an extended moment, given that we’re all still wary of dealing with physical documents, touching surfaces, and generally interacting with the world at large. The switch to ...